- Makes pleasure sounds (cooing, gooing)
- Cries differently for different needs
- Smiles when sees you
- Babbling sounds more speech-like with many different sounds, including p, b, and m
- Chuckles and laughs
- Vocalizes excitement and displeasure
- Makes gurgling sounds when left alone and when playing with you
7 Months–1 Year
- Babbling has both long and short groups of sounds such as "tata upup bibibibi"
- Uses speech or noncrying sounds to get and keep attention
- Uses gestures to communicate (waving, holding arms to be picked up)
- Imitates different speech sounds
- Has one or two words (hi, dog, dada, mama) around first birthday, although sounds may not be clear
1 year – 2 years
- Says more words every month.
- Uses some one- or two- word questions ("Where kitty?" "Go bye-bye?" "What's that?").
- Puts two words together ("more cookie," "no juice," "mommy book").
- Uses many different consonant sounds at the beginning of words.
2 years -3 years
- Has a word for almost everything.
- Uses two- or three- words to talk about and ask for things.
- Uses k, g, f, t, d, and n sounds.
- Speech is understood by familiar listeners most of the time.
- Often asks for or directs attention to objects by naming them.
- Asks why?
- May stutter on words or sounds
3 years – 4 years
- Talks about activities at school or at friends' homes.
- Talks about what happened during the day. Uses about 4 sentences at a time.
- People outside of the family usually understand child's speech.
- Answers simple "who?", "what?", and "where?" questions.
- Asks when and how questions.
- Says rhyming words, like hat-cat
- Uses pronouns, like I, you, me, we, and they
- Uses some plural words, like toys, birds, and buses
- Uses a lot of sentences that have 4 or more words.
- Usually talks easily without repeating syllables or words.
4 years – 5 years
- Says all speech sounds in words. May make mistakes on sounds that are harder to say, like l, s, r, v, z, ch, sh, th.
- Responds to "What did you say?"
- Talks without repeating sounds or words most of the time.
- Names letters and numbers.
- Uses sentences that have more than 1 action word, like jump, play, and get. May make some mistakes, like "Zach got 2 video games, but I got one."
- Tells a short story.
- Keeps a conversation going.
- Talks in different ways depending on the listener and place. May use short sentences with younger children or talk louder outside than inside.